2017220121

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:331

約数の個数: 96

約数和(自身を含む): 3519479808

約数和(自身を除く): 1502259687

約数列:

[1, 3, 7, 9, 21, 53, 63, 67, 71, 127, 159, 201, 213, 371, 381, 469, 477, 497, 603, 639, 889, 1113, 1143, 1407, 1491, 2667, 3339, 3551, 3763, 4221, 4473, 4757, 6731, 8001, 8509, 9017, 10653, 11289, 14271, 20193, 24857, 25527, 26341, 27051, 31959, 33299, 33867, 42813, 47117, 59563, 60579, 63119, 74571, 76581, 79023, 81153, 99897, 141351, 178689, 189357, 223713, 237069, 252121, 299691, 424053, 450977, 477901, 536067, 568071, 604139, 756363, 1352931, 1433703, 1764847, 1812417, 2269089, 3156839, 3345307, 4058793, 4228973, 4301109, 5294541, 5437251, 9470517, 10035921, 12686919, 15883623, 28411551, 30107763, 32019367, 38060757, 96058101, 224135569, 288174303, 672406707, 2017220121]

約数ペア:

[(1, 2017220121), (3, 672406707), (7, 288174303), (9, 224135569), (21, 96058101), (53, 38060757), (63, 32019367), (67, 30107763), (71, 28411551), (127, 15883623), (159, 12686919), (201, 10035921), (213, 9470517), (371, 5437251), (381, 5294541), (469, 4301109), (477, 4228973), (497, 4058793), (603, 3345307), (639, 3156839), (889, 2269089), (1113, 1812417), (1143, 1764847), (1407, 1433703), (1491, 1352931), (2667, 756363), (3339, 604139), (3551, 568071), (3763, 536067), (4221, 477901), (4473, 450977), (4757, 424053), (6731, 299691), (8001, 252121), (8509, 237069), (9017, 223713), (10653, 189357), (11289, 178689), (14271, 141351), (20193, 99897), (24857, 81153), (25527, 79023), (26341, 76581), (27051, 74571), (31959, 63119), (33299, 60579), (33867, 59563), (42813, 47117)]